package com.ruoyi.common.utils;

import com.ruoyi.common.constant.ServiceExceptionStatus;
import com.ruoyi.common.exception.ServiceException;

import javax.sql.rowset.BaseRowSet;
import java.util.Calendar;
import java.util.HashMap;
import java.util.Map;

public class CertificateNoUtil {
    /**
     * 通过身份证号码获取出生日期、性别、年龄
     *
     * @param certificateNo
     * @return 返回的出生日期格式：1990-01-01 性别格式：F-女，M-男
     */
    public static Map<String, String> getBirAgeSex(String certificateNo)
    {
        String birthday = "";
        String age = "";
        String sexCode = "";

        int year = Calendar.getInstance().get(Calendar.YEAR);
        char[] number = certificateNo.toCharArray();
        boolean flag = true;
        if (number.length == 15)
        {
            for (int x = 0; x < number.length; x++)
            {
                if (!flag)
                    return new HashMap<>();
                flag = Character.isDigit(number[x]);
            }
        } else if (number.length == 18)
        {
            for (int x = 0; x < number.length - 1; x++)
            {
                if (!flag)
                    return new HashMap<>();
                flag = Character.isDigit(number[x]);
            }
        }
        if (flag && certificateNo.length() == 15)
        {
            birthday = "19" + certificateNo.substring(6, 8) + "-" + certificateNo.substring(8, 10) + "-"
                    + certificateNo.substring(10, 12);
            sexCode = Integer.parseInt(certificateNo.substring(certificateNo.length() - 3))
                    % 2 == 0 ? "0" : "1";
            age = (year - Integer.parseInt("19" + certificateNo.substring(6, 8))) + "";
        } else if (flag && certificateNo.length() == 18)
        {
            birthday = certificateNo.substring(6, 10) + "-" + certificateNo.substring(10, 12) + "-"
                    + certificateNo.substring(12, 14);
            sexCode = Integer.parseInt(certificateNo.substring(certificateNo.length() - 4, certificateNo.length() - 1))
                    % 2 == 0 ? "0" : "1";
            age = (year - Integer.parseInt(certificateNo.substring(6, 10))) + "";
        }
        Map<String, String> map = new HashMap<>();
        map.put("birthday", birthday);
        map.put("age", age);
        if (Integer.parseInt(age) > 100 || Integer.parseInt(age) < 1)
        {
            throw new ServiceException("用户年龄超过限制", ServiceExceptionStatus.AGE_ERROR);
        }
        map.put("sexCode", sexCode);
        return map;
    }

    public static void main(String[] args) {
        // 身份证号不为空
        String sfzh="430921199003245456";
        Map<String, String> birAgeSex = getBirAgeSex(sfzh);
        System.out.println(birAgeSex);
    }
}
